151530402 has 8 divisors (see below), whose sum is σ = 303060816. Its totient is φ = 50510132.

The previous prime is 151530391. The next prime is 151530427. The reversal of 151530402 is 204035151.

It is a sphenic number, since it is the product of 3 distinct primes.

151530402 is an admirable number.

It is a super-2 number, since 2×151530402² = 45922925460563208, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12627528 + ... + 12627539.

It is an arithmetic number, because the mean of its divisors is an integer number (37882602).

Almost surely, 2^151530402 is an apocalyptic number.

151530402 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

151530402 is a wasteful number, since it uses less digits than its factorization.

151530402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25255072.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 151530402 is about 12309.7685599689. The cubic root of 151530402 is about 533.1301680164.

Adding to 151530402 its reverse (204035151), we get a palindrome (355565553).

The spelling of 151530402 in words is "one hundred fifty-one million, five hundred thirty thousand, four hundred two".